A non-destructive automatic capping device and method for acrylic bottle filling

Abstract

The present invention discloses a non-destructive automatic capping device and method for acrylic bottle packaging, comprising a bottle body clamping and fixing device, a bottle cap clamping and twisting device and a top pressing roller, wherein the bottle body clamping and fixing device is mounted on a support plate and is located on both sides of a bottle conveyor belt, the bottle cap clamping and twisting device is mounted on a lifting plate and is located above the bottle conveyor belt, and can clamp and twist the bottle cap side of the bottle to rotate, the top pressing roller is rotatably connected to the end of the top cover telescopic cylinder and can face the middle of the top side of the bottle cap of the bottle, the top cover telescopic cylinder is fixedly connected to the lifting plate, the lifting plate is respectively connected to two guide pillars through two linear bearings, the two guide pillars are installed with a driving mechanism, and the lower ends of the two guide pillars are fixedly connected to the support plate. The present invention adopts a top pressing roller that rotates synchronously with the bottle cap, so that the bottle cap and the pressing mechanism are prevented from sliding against each other during the tightening process of the bottle cap, and the problem of the bottle cap being scratched is effectively avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of bottle cap tightening equipment, and in particular relates to a non-destructive automatic cap screwing device and method for bottling acrylic bottles. Background Art

[0002] Acrylic is a plastic polymer material, also known as PMMA or organic glass, which comes from the English word acrylic (acrylic plastic), and its chemical name is polymethyl methacrylate. Acrylic has crystal-like transparency, with a light transmittance of more than 92%, soft light, clear vision, and the bottles made are beautiful and not easy to break. When the medicine bottle is made of acrylic material, it is easy to be scratched during the bottling process on the bottling production line. Once scratched, it affects the beauty of the appearance of the bottle, and it will also cause consumers to mistakenly think that it is a second-hand product and cause disputes. The existing bottling production line uses the BP series bottling production line produced by "Zhoushan Shark Pharmaceutical Machinery Co., Ltd.". Its capping machine is a linear structure. When the acrylic medicine bottle is put on the machine for production, the bottle cap will be messed up when the cap is put on and the cap is screwed. The machine cannot automatically screw the cap, and it can only be screwed manually, which requires a lot of people and has low efficiency; and due to the high frequency of manual work, it is easy to cause personnel fatigue and hand tendon strain. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a non-destructive automatic capping device for acrylic bottles to solve the problems existing in the prior art.

[0004] The technical solution of the present invention is as follows: a damage-free automatic capping device for bottling acrylic bottles, comprising a bottle body clamping and fixing device, a bottle cap clamping and twisting device and a top pressing roller, wherein the bottle body clamping and fixing device is mounted on a support plate and is located on both sides of a bottle conveyor belt, the bottle cap clamping and twisting device is mounted on a lifting plate and is located above the bottle conveyor belt, and can clamp and twist the side of the bottle cap of the bottle to rotate, the top pressing roller is rotatably connected to the end of a top cap telescopic cylinder and can face the middle of the top side of the bottle cap of the bottle, the top cap telescopic cylinder is fixedly connected to the lifting plate, the lifting plate is respectively connected to two guide pillars through two linear bearings, the two guide pillars are installed with a driving mechanism, and the lower ends of the two guide pillars are fixedly connected to the support plate.

[0005] Preferably, the above-mentioned damage-free automatic capping device for acrylic bottles also includes a bottle cap posture correction device, which includes an inclined section smoothing bar installed above the feeding side of the bottle conveyor belt and a horizontal section smoothing bar connected to the inclined section smoothing bar, and the lower sides of the inclined section smoothing bar and the horizontal section smoothing bar are rotatably connected to multiple plastic rollers with evenly spaced intervals.

[0006] Preferably, the bottle body clamping and fixing device includes two clamping plates and a double-rod driving cylinder, the clamping surfaces of the two clamping plates are both V-shaped, and the back sides are respectively fixedly connected to the cylinder rods of the two double-rod driving cylinders, the double-rod driving cylinders are fixedly connected to the support plate through a bracket, and the two double-rod driving cylinders are symmetrically located on both sides of the bottle conveyor belt and higher than the upper end surface of the bottle conveyor belt.

[0007] Preferably, the bottle cap clamping and twisting device comprises two pairs of driving rollers, each pair of driving rollers is fixedly connected to two driving shafts, the two driving shafts are rotatably connected to the slider and are connected to the twisting driving mechanism after the upper ends are extended, the slider is connected to the two guide rods through linear bearings, the two guide rods are fixedly connected to the two support seats at both ends, the two support seats are fixedly connected to the lifting plate, the outer end surface of the slider is fixedly connected to the cylinder rod of the telescopic cylinder, the telescopic cylinder is fixedly connected to the support seat, and the lifting plate through which the driving shaft passes is provided with a strip hole along the length direction of the guide rod.

[0008] Preferably, the above-mentioned twisting drive mechanism includes a driving gear, a driven gear and a tightening drive motor, the driving gear is fixedly connected to the motor shaft of the tightening drive motor, the tightening drive motor is fixedly mounted on an inverted U-shaped frame, the U-shaped frame is fixedly connected to the slider, and two driven gears are used, both of which are meshed with the driving gear and are fixedly connected to the upper ends of the two drive shafts respectively.

[0009] Preferably, the above-mentioned driving mechanism includes a screw and a nut, the upper end of the screw is rotatably connected to the beam and is fixedly connected to a rotating handle after the upper end is extended, the nut used in conjunction with the screw is fixedly connected to the lifting plate, and the two ends of the beam are fixedly connected to the upper end of the guide column.

[0010] A control method for a non-destructive automatic capping device for acrylic bottles, the method comprising: when the bottle is detected to be in place, two double-rod driving cylinders are started to clamp the bottle, after the bottle is clamped in place, a top cover telescopic cylinder pushes out a top pressing roller against an upper end surface of the bottle cap, two tightening driving motors are actuated to drive two rows of driving rollers to rotate, and two tightening telescopic cylinders are started to move toward the bottle cap to fit, thereby completing the tightening of the bottle cap.

[0011] Beneficial effects of the present invention: Compared with the prior art, the present invention has the following effects:

[0012] (1) The present invention replaces the bottle cap pressing plate of the existing bottling production line with a top pressing roller that rotates synchronously with the bottle cap, so that the bottle cap and the pressing mechanism are prevented from sliding against each other during the tightening process of the bottle cap, effectively avoiding the problem of the bottle cap being scratched, and replacing the previous manual capping production method, which can avoid the fatigue of personnel and tendon injuries caused by high-frequency manual work on the one hand; on the other hand, machine production also greatly improves efficiency and reduces costs; using existing equipment for improvement, the cost is low, the cost is greatly reduced, and the lifting mechanism is adopted to adapt to the screwing of bottle caps at different heights;

[0013] (2) The present invention adds a bottle cap posture correction device after the bottle is capped to correct the tilted bottle cap. The plastic roller-type tilted section smooth strip and horizontal section smooth strip are used to place the bottle cap on the bottle in a regular manner. The rolling friction of the roller-type replaces the existing metal linear sliding friction, greatly reducing the probability of the bottle cap being scratched and improving the qualified rate of product assembly.

[0014] (3) Two double-rod driven cylinders are used to push two clamping plates to clamp the bottle. The clamping is stable and reliable. The cylinder has an elastic buffering effect and can also play a protective role.

[0015] (4) The bottle cap clamping and twisting device uses two rows of double-headed driving rollers and several driving rollers to move toward the bottle cap, which can achieve stability in clamping the bottle cap and can also limit the radial position of the bottle cap. This device makes the tightening stability of the bottle cap better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the automatic capping device;

[0017] Figure 2 It is a schematic diagram of the isometric structure of the automatic capping device;

[0018] Figure 3 It is a front view structural diagram of the automatic capping device;

[0019] Figure 4 It is a right view structural diagram of the automatic capping device;

[0020] Figure 5 It is a schematic diagram of the structure of the automatic capping device from a top view;

[0021] Figure 6 It is a rear view structural diagram of the automatic capping device;

[0022] Figure 7 It is a bottle cap posture correction device;

[0023] Figure 8 Schematic diagram of the fluent strip connection structure. DETAILED DESCRIPTION

[0024] The present invention will be further explained with reference to the following examples.

[0025] Example 1: Figure 1-8 As shown, a non-destructive automatic capping device for acrylic bottles comprises a bottle body clamping and fixing device 1, a bottle cap clamping and twisting device 2 and a top pressing roller 3. The bottle body clamping and fixing device 1 is mounted on a support plate 4 and is located on both sides of a bottle conveyor belt 5. The bottle cap clamping and twisting device 2 is mounted on a lifting plate 6 and is located above the bottle conveyor belt 5, and can clamp and twist the side of the bottle cap of the bottle to rotate. The top pressing roller 3 is rotatably connected to the end of a top cover telescopic cylinder 7 and can face the middle of the top side of the bottle cap of the bottle. The top cover telescopic cylinder 7 is fixedly connected to the lifting plate 6. The lifting plate 6 is respectively connected to two guide pillars 9 through two linear bearings 8. The two guide pillars 9 are equipped with a driving mechanism. The lower ends of the two guide pillars 9 are fixedly connected to the support plate 4.

[0026] Preferably, the above-mentioned damage-free automatic capping device for acrylic bottles also includes a bottle cap posture correction device, which includes an inclined section smooth bar 14 installed above the feeding side of the bottle conveyor belt 5 and a horizontal section smooth bar 15 connected to the inclined section smooth bar 14. The lower sides of the inclined section smooth bar 14 and the horizontal section smooth bar 15 are rotatably connected to a plurality of evenly spaced plastic roller needles 16, which convert the existing metal sliding friction into rolling friction, and can avoid scratching the bottle cap during the correction process of the tilted bottle cap after hanging the cap.

[0027] Preferably, the bottle body clamping and fixing device 1 comprises two clamping plates 101 and a double-rod driving cylinder 102 made of plastic. The clamping surfaces of the two clamping plates 101 are both V-shaped, and the back sides are respectively fixedly connected to the cylinder rods of the two double-rod driving cylinders 102. The double-rod driving cylinders 102 are fixedly connected to the support plate 4 through the bracket 103, and the two double-rod driving cylinders 102 are symmetrically located on both sides of the bottle conveyor belt 5 and are higher than the upper end surface of the bottle conveyor belt 5. The V-shaped structure is convenient for self-positioning, and the clamping is accurate, stable and reliable.

[0028] Preferably, the bottle cap clamping and twisting device 2 comprises two pairs of driving rollers 201, each pair of driving rollers 201 is fixedly connected to two driving shafts 202, the two driving shafts 202 are rotatably connected to a slider 203 and are connected to a twisting driving mechanism after the upper ends are extended, the slider 203 is connected to two guide rods 204 through linear bearings, the two guide rods 204 are fixedly connected to two support seats 205 at both ends, the two support seats 205 are fixedly connected to the lifting plate 6, the outer end surface of the slider 203 is fixedly connected to the cylinder rod of the telescopic cylinder 206, the telescopic cylinder 206 is fixedly connected to the support seat 205, and the lifting plate 6 through which the driving shaft 202 passes is provided with a strip hole 207 along the length direction of the guide rod, the strip hole facilitates the horizontal movement of the driving shaft, and the telescopic cylinder pushes the slider, which can have a buffering and protective effect when the driving roller contacts the bottle cap.

[0029] Preferably, the above-mentioned twisting drive mechanism includes a driving gear 208, a driven gear 209 and a tightening drive motor 210. The driving gear 208 is fixedly connected to the motor shaft of the tightening drive motor 210. The tightening drive motor 210 is fixedly installed on an inverted U-shaped frame 211. The U-shaped frame 211 is fixedly connected to the slider 203. Two driven gears 209 are used, both of which are meshed with the driving gear and are fixedly connected to the upper ends of the two drive shafts 202 respectively. The U-shaped frame is convenient for installing the motor and the built-in master and driven gears, and the structure is more compact and the support stability is high.

[0030] Preferably, the above-mentioned driving mechanism includes a screw 10 and a nut 11. The upper end of the screw 10 is rotatably connected to the cross beam 12 and is fixedly connected to a rotating handle 13 after the upper end is extended. The nut 11 used in conjunction with the screw 10 is fixedly connected to the lifting plate 6. Both ends of the cross beam 12 are fixedly connected to the upper ends of the guide column 9. The screw and nut drive the height adjustment to be precise and stable.

[0031] Preferably, the upper ends of the inclined section fluent strip 14 and the horizontal section fluent strip 15 are connected with two telescopic rods 17. The upper end of each telescopic rod 17 is movable through a support frame 18 and is limited by a nut 19. The support frame is installed on the frame. The telescopic rods 17 between the support frame 18 and the inclined section fluent strip 14 or the horizontal section fluent strip 15 are sleeved with a weak spring 20. The fluent strip can automatically retract and retract when touched, further playing a buffering and protective role, and is also convenient for achieving the height of the fluent strip to adapt to the posture correction of different bottle heights.

[0032] Embodiment 2: A control method for a non-destructive automatic capping device for acrylic bottles, the method being: when it is detected that the bottle is in place, two double-rod driving cylinders start to clamp the bottle, and after clamping in place, the top cover telescopic cylinder pushes out the top pressing roller against the upper end surface of the bottle cap, and two tightening driving motors drive two rows of driving rollers to rotate, and start two tightening telescopic cylinders to move toward the bottle cap to fit, thereby completing the tightening of the bottle cap.

Claims

1. A non-destructive automatic capping device for acrylic bottles, characterized in that: The invention comprises a bottle body clamping and fixing device (1), a bottle cap clamping and twisting device (2) and a top pressing roller (3) which rotates synchronously with the bottle cap, wherein the bottle body clamping and fixing device (1) is mounted on a support plate (4) and is located on both sides of a bottle conveyor belt (5), the bottle cap clamping and twisting device (2) is mounted on a lifting plate (6) and is located above the bottle conveyor belt (5) and is capable of clamping and twisting the side of the bottle cap of the bottle to cause it to rotate, the top pressing roller (3) is rotatably connected to the end of a top cap telescopic cylinder (7) and is capable of facing the middle of the top side of the bottle cap of the bottle, the top cap telescopic cylinder (7) is fixedly connected to the lifting plate (6), the lifting plate (6) is respectively connected to two guide pillars (9) through two linear bearings (8), the two guide pillars (9) are installed with a driving mechanism, and the lower ends of the two guide pillars (9) are fixedly connected to the support plate (4); and the invention also comprises a bottle cap posture control device. The correction device comprises an inclined section smooth bar (14) installed above the feeding side of the bottle conveyor belt (5) and a horizontal section smooth bar (15) connected to the inclined section smooth bar (14), and the lower sides of the inclined section smooth bar (14) and the horizontal section smooth bar (15) are both rotatably connected to a plurality of plastic roller needles (16) with uniform spacing; the bottle body clamping and fixing device (1) comprises two clamping plates (101) and a double-rod driving cylinder (102), the clamping surfaces of the two clamping plates (101) are both V-shaped, and the back surfaces are respectively fixedly connected to the cylinder rods of the two double-rod driving cylinders (102), the double-rod driving cylinders (102) are fixedly connected to the support plate (4) through a bracket (103), and the two double-rod driving cylinders (102) are symmetrically located on both sides of the bottle conveyor belt (5) and higher than the upper end surface of the bottle conveyor belt (5).

2. The non-destructive automatic capping device for acrylic bottles according to claim 1, characterized in that: The bottle cap clamping and twisting device (2) comprises two pairs of driving rollers (201), each pair of driving rollers (201) is fixedly connected to two driving shafts (202), the two driving shafts (202) are rotatably connected to a slider (203) and are connected to a twisting driving mechanism after the upper ends extend out, the slider (203) is connected to two guide rods (204) via a linear bearing, the two guide rods (204) are fixedly connected at both ends to two support seats (205), the two support seats (205) are fixedly connected to a lifting plate (6), the outer end surface of the slider (203) is fixedly connected to the cylinder rod of a telescopic cylinder (206), the telescopic cylinder (206) is fixedly connected to the support seat (205), and a strip hole (207) along the length direction of the guide rod is provided at the lifting plate (6) through which the driving shaft (202) passes.

3. The non-destructive automatic capping device for acrylic bottles according to claim 1, characterized in that: The screwing drive mechanism comprises a driving gear (208), a driven gear (209) and a tightening drive motor (210); the driving gear (208) is fixedly connected to the motor shaft of the tightening drive motor (210); the tightening drive motor (210) is fixedly mounted on an inverted U-shaped frame (211); the U-shaped frame (211) is fixedly connected to a slider (203); two driven gears (209) are used, both meshing with the driving gear and respectively fixedly connected to the upper ends of two drive shafts (202).

4. The non-destructive automatic capping device for acrylic bottles according to claim 1, characterized in that: The driving mechanism comprises a lead screw (10) and a nut (11); the upper end of the lead screw (10) is rotatably connected to a cross beam (12) and the upper end is fixedly connected to a rotating handle (13) after being extended; the nut (11) used in conjunction with the lead screw (10) is fixedly connected to a lifting plate (6); and both ends of the cross beam (12) are fixedly connected to the upper ends of the guide pillars (9).

5. A control method for a non-destructive automatic capping device for acrylic bottles according to any one of claims 1 to 4, characterized in that: The method is as follows: when it is detected that the bottle is in place, two double-rod driving cylinders start to clamp the bottle. After the bottle is clamped in place, the top cover telescopic cylinder pushes out the top pressing roller to press against the upper end surface of the bottle cap, and two tightening driving motors drive the two rows of driving rollers to rotate, and start the two tightening telescopic cylinders to move toward the bottle cap to fit, thereby completing the tightening of the bottle cap.

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